Poliisocianatos, process for the preparation of a poliisocianato, variants of poliisocianato and pre polu00ecmeros, and process for the production of polyurethane foam

摘要

Poliisocianatos, process for the preparation of a poliisocianato, variants of poliisocianato and pre polu00ecmeros, and process for the production of polyurethane foam process for the preparation of poliisocianatos involving the removal of a stream of solvent enriched with contaminants Not containing volatile aromatic isocyanate group, from the production process of poliisocianato.